[gcc r13-5452] mips: Don't add crtfastmath.o for -shared

[Richard Biener]

https://gcc.gnu.org/g:6cdb4d4bcd52c95cb6d367b93a82eb599d4e26f0

commit r13-5452-g6cdb4d4bcd52c95cb6d367b93a82eb599d4e26f0
Author: Richard Biener <rguenther@suse.de>
Date:   Fri Jan 13 08:53:44 2023 +0100

    mips: Don't add crtfastmath.o for -shared
    
    Don't add crtfastmath.o for -shared to avoid altering the FP
    environment when loading a shared library.
    
            PR target/55522
            * config/mips/gnu-user.h (GNU_USER_TARGET_MATHFILE_SPEC):
            Don't add crtfastmath.o for -shared.

Diff:
---
 gcc/config/mips/gnu-user.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/config/mips/gnu-user.h b/gcc/config/mips/gnu-user.h
index 9a540b8b53f..a4e5380b589 100644
--- a/gcc/config/mips/gnu-user.h
+++ b/gcc/config/mips/gnu-user.h
@@ -139,7 +139,7 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
 /* Similar to standard Linux, but adding -ffast-math support.  */
 #undef	GNU_USER_TARGET_MATHFILE_SPEC
 #define GNU_USER_TARGET_MATHFILE_SPEC \
-  "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
+  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 #undef  ENDFILE_SPEC
 #define ENDFILE_SPEC \
   GNU_USER_TARGET_MATHFILE_SPEC " " \